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Share Based Compensation - Summary of Stock Purchase Plans (Detail) - Ericsson Share Purchase Plan [Member] | 12 Months Ended
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Dec. 31, 2024 Employee Country | Dec. 31, 2023 Country
Disclosure Of Detailed Information About Stock Purchase Plans [Line Items] |  |
Number of participants | Employee | 13,148 |
Take-up rate – percent of eligible employees | 17.30% |
Number of countries launched the plan | Country | 69 | 69

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- Definition Disclosure of detailed information about stock purchase plans. + References No definition available. + Details
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- Definition Number of countries launched the plan. + References No definition available. + Details
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- Definition Number of participants of stock purchase plan. + References No definition available. + Details
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- Definition Take up rate of eligible employees. + References No definition available. + Details
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- Details
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